Not long after he took oath into office, President Barack Obama brought back an important White House tradition: the cocktail party. While his predecessor famously didn't drink, Obama hosted a bipartisan happy hour in late January. However, he's not the first president to encourage friendly drinking and mingling, the cocktail party has long been a celebrated part of life in Washington. Since today is Presidents Day, I thought it would be fun to test your knowledge of presidential drinking stats. Do you know which presidents were considered drunks? Find out now when you take my quiz!